Zachary Freier-Harrison is one of those wunderkind who pop up from time to time, youngsters who thrive on learning and accomplishment.

A junior at Palo Alto High School, Zachary is maintaining mostly A grades in seven courses when the usual load is five or six, while rehearsing or performing four to eight hours a day, six days a week, for “Lost in Yonkers,” which opens tonight at the Oshman Community Jewish Center in Palo Alto.

And the courses he is taking at Paly are not small potatoes. He is in advanced placement courses for environmental science and physics, for instance.

“I like it all,” he said recently by phone, while on his lunch break at school, a time usually reserved for doing his homework, since in the evenings he goes to San Francisco to rehearse at Jewish Theatre San Francisco for “Lost in Yonkers.”

“I’m very good at theater, but also good at school,” he said. “I know if you just go toward theater and not school, it just doesn’t work out. So I do both. I like keeping busy. I like taking advantage of any opportunity I can to do things. That’s my life philosophy.”

“Lost in Yonkers,” produced by Jewish Theatre San Francisco, has already been performed at the Jewish Community Center of San Francisco, where it received good reviews for the acting and was panned for Neil Simon’s script.

To Zachary, the play is “very poignant. It has very funny moments, but poignant moments as well.”

At the ripe old age of 16, Zachary is a longtime stage veteran, including 26 shows at Palo Alto Children’s Theatre, shows at Palo Alto Players and in “A Christmas Story” at San Jose Rep four years ago. He was offered but declined a role at the Pear Avenue Theatre in Mountain View.

Which is how he got the gig for “Lost in Yonkers.” Nancy Carlin, who played his mother in “A Christmas Story,” is directing this “Lost in Yonkers.”

Zachary became hooked on performing at about age 7 or 8, in Colorado, where his parents were teaching at a musical theater.

“I was walking around whistling, in tune, and someone asked, ‘Can you sing?’ and I was asked to audition. I sort of realized I loved theater a lot.”

The whistling in tune part was fairly inherited. His parents are violinist Susan Freier and cellist Stephen Harrison of the well-known and respected Ives Quartet.

Zachary started playing piano at the age of 5, and when not busy acting or studying, composes music.

Full schedule.

But after “Lost in Yonkers” closes, he said, he plans to lighten his load a bit, theater-wise, and concentrate on a long list of academic tests that are coming up.

When he graduates from high school, Zachary said he plans to try to find a college where he would “be able to major in theater and also in science, environmental or chemistry, and also take singing.”

Stanford?

Nah.

“Stanford would be weird,” he said. “Right across the street from my high school. I want to get some distance, somewhere out of state for undergrad.

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